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nimodipine subarachnoid

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https://www.readbyqxmd.com/read/29212462/pharmacological-targeting-of-secondary-brain-damage-following-ischemic-or-hemorrhagic-stroke-traumatic-brain-injury-and-bacterial-meningitis-a-systematic-review-and-meta-analysis
#1
Thomas Beez, Hans-Jakob Steiger, Nima Etminan
BACKGROUND: The effectiveness of pharmacological strategies exclusively targeting secondary brain damage (SBD) following ischemic stroke, aneurysmal subarachnoid hemorrhage, aSAH, intracerebral hemorrhage (ICH), traumatic brain injury (TBI) and bacterial meningitis is unclear. This meta-analysis studied the effect of SBD targeted treatment on clinical outcome across the pathological entities. METHODS: Randomized, controlled, double-blinded trials on aforementioned entities with 'death' as endpoint were identified...
December 7, 2017: BMC Neurology
https://www.readbyqxmd.com/read/29159148/endovascular-treatment-of-symptomatic-vasospasm-after-aneurysmal-subarachnoid-hemorrhage-a-three-year-experience
#2
Eun-Sung Park, Dae-Won Kim, Sung-Don Kang
Objective: The cause of severe clinical vasospasm after aneurysmal subarachnoid hemorrhage remains unknown, despite extensive research over the past 30 years. However, the intra-arterial administration of vasodilating agents and balloon angioplasty have been successfully used in severe refractory cerebral vasospasm. Materials and Methods: We retrospectively analyzed the data of 233 patients admitted to our institute with aneurysmal subarachnoid hemorrhage (SAH) over the past 3 years...
September 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29118793/feasibility-of-real-time-angiographic-perfusion-imaging-in-the-treatment-of-cerebral-vasospasm
#3
Christopher Donaldson, Anthea H O'Neill, Lee-Anne Slater, Winston Chong, Leon T Lai, Ronil V Chandra
Background: Objective assessment and quantification of the severity of cerebral vasospasm following aneurysmal subarachnoid hemorrhage is not routinely utilized. We investigated the feasibility of angiographic perfusion imaging derived from digital subtraction angiography (DSA) following endovascular vasospasm treatment procedures. Methodology: Real-time blood flow analysis was performed using parametric color coding on pre- and postintervention DSA. Semiquantitative parenchymal perfusion parameters (arrival time [AT] of contrast, time to peak [TTP] opacification, and mean transit time [MTT] of contrast) were calculated across 3 vascular territories (anterior cerebral artery [ACA], middle cerebral artery [MCA], and lenticulostriate arteries) using standard 2-D angiographic perfusion software...
October 2017: Interventional Neurology
https://www.readbyqxmd.com/read/29063300/delayed-cerebral-ischemia-after-subarachnoid-hemorrhage-beyond-vasospasm-and-towards-a-multifactorial-pathophysiology
#4
REVIEW
Joseph R Geraghty, Fernando D Testai
PURPOSE OF REVIEW: Delayed cerebral ischemia (DCI) is common after subarachnoid hemorrhage (SAH) and represents a significant cause of poor functional outcome. DCI was mainly thought to be caused by cerebral vasospasm; however, recent clinical trials have been unable to confirm this hypothesis. Studies in humans and animal models have since supported the notion of a multifactorial pathophysiology of DCI. This review summarizes some of the main mechanisms under investigation including cerebral vascular dysregulation, microthrombosis, cortical spreading depolarizations, and neuroinflammation...
October 23, 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28956512/higher-dose-intra-arterial-milrinone-and-intra-arterial-combined-milrinone-nimodipine-infusion-as-a-rescue-therapy-for-refractory-cerebral-vasospasm
#5
Enes Duman, Fatma Karakoç, H Ulas Pinar, Rafi Dogan, Ali Fırat, Erkan Yıldırım
Background Cerebral vasospasm (CV) is a major cause of delayed morbidity and mortality in patients with subarachnoid hemorrhage (SAH). Various cerebral protectants have been tested in patients with aneurysmal SAH. We aimed to research the success rate of treatment of CV via intra-arterial milrinone injection and aggressive pharmacological therapy for refractory CV. Methods A total of 25 consecutive patients who received intra-arterial milrinone and nimodipine treatment for CV following SAH between 2014 and 2017 were included in the study...
December 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28895985/-antihistaminik-kullan%C3%A4-m%C3%A4-ile-tetiklenen-tekrarlay%C3%A4-c%C3%A4-ba%C3%A5-a%C3%A4-r%C3%A4-s%C3%A4-ve-reversible-serebral-vazokonstriksiyon-sendromu
#6
Sibel Güler, Ufuk Utku, Canan Çelebi
Reversible cerebral vasoconstriction syndrome (RCVS), also known as Call-Fleming syndrome, is one of the rare causes of thunderclap headaches, which are most often seen in females aged 20-40 years and which can cause neurological deficits. The cause of RCVS is thought to be multifocal arterial constriction and dilatation caused by transient disregulation of cerebral vascular tonus. Presently described is case of 63-year-old female patient who presented with complaint of sudden onset of recurrent headaches located on the left side...
April 2017: Aǧrı: Ağrı (Algoloji) Derneği'nin Yayın Organıdır, the Journal of the Turkish Society of Algology
https://www.readbyqxmd.com/read/28876566/a-survey-of-selected-key-areas-of-management-of-south-african-neurosurgical-patients
#7
C H Daniel, M D du Trevou
BACKGROUND: Previous surveys of neurosurgical patient management, including a South African (SA) survey conducted in 2001, confirmed the existence of significant dissimilarities in management on national and international levels. This survey aimed to determine current SA neurosurgical patient management and to compare this with international trends. METHOD: Questionnaires in multiple choice question (MCQ) and free text entry format covering key areas of neurosurgical practice were emailed to SA neurosurgeons following ethics approval...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28873993/intraventricular-nimodipine-for-aneurysmal-subarachnoid-hemorrhage-results-of-the-newton-phase-1-2a-study
#8
Benjamin Zussman, Gregory M Weiner, Andrew Ducruet
No abstract text is available yet for this article.
July 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28816882/a-narrative-review-of-adherence-to-subarachnoid-hemorrhage-guidelines
#9
Paolo Gritti, Oluwaseun Akeju, Ferdinando L Lorini, Luigi A Lanterna, Carlo Brembilla, Federico Bilotta
Over the past 2 decades, a large number of guidelines for aneurysmal subarachnoid hemorrhage (aSAH) management have been proposed. The primary aim of these "evidence-based" guidelines is to improve the care of aSAH patients by summarizing and making current knowledge readily available to clinicians. However, an investigation into aSAH guidelines, their changes along time and their successful translation into clinical practice is still lacking.We performed a literature search of historical events and subarachnoid hemorrhage guidelines using the Entrez PubMed NIH, Embase, and Cochrane databases for articles published up to November of 2016...
August 14, 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28697030/severe-postpartum-headache-and-hypertension-caused-by-reversible-cerebral-vasoconstriction-syndrome-a-case-report
#10
Ed McIlroy, Rajamani Sethuraman, Reshma Woograsingh, Catherine Nelson-Piercy, Edward Gilbert-Kawai
Reversible cerebrovascular vasoconstriction syndrome is an uncommon condition that presents as severe headache and hypertension. Recent literature suggests a 1% incidence in postpartum headache cases. It can cause subarachnoid hemorrhages, cerebral ischemia, and seizures. It is often misdiagnosed as postdural puncture headache or preeclampsia. In this case, a postpartum woman, who had received epidural anesthesia for labor, presented 5 days postpartum with severe headache that did not resolve with an epidural blood patch...
November 15, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28685393/side-effects-of-long-term-continuous-intra-arterial-nimodipine-infusion-in-patients-with-severe-refractory-cerebral-vasospasm-after-subarachnoid-hemorrhage
#11
Martin Kieninger, Julia Flessa, Nicole Lindenberg, Sylvia Bele, Andreas Redel, André Schneiker, Gerhard Schuierer, Christina Wendl, Bernhard Graf, Vera Silbereisen
BACKGROUND: Long-term continuous intra-arterial nimodipine infusion (CIAN) is a rescue therapy option in cases of severe refractory cerebral vasospasm (CV) following acute non-traumatic subarachnoid hemorrhage (SAH). However, CIAN therapy can be associated with relevant side effects. Available studies focus on intracerebral complications, whereas extracerebral side effects are rarely examined. Aim of the present study was to generate descriptive data on the clinical course during CIAN therapy and expectable extracerebral side effects...
July 6, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28678308/evaluation-function-of-transcranial-two-dimensional-and-color-doppler-ultrasonography-tccs-for-patients-with-different-degrees-of-cerebral-vasospasm-before-and-after-the-nimodipine-treatment
#12
J-L Wang, X-N Li, Y-H Zhang, X Li, Y-L Yang
OBJECTIVE: To evaluate the changes in cerebral hemodynamics of patients with different degrees of cerebral vasospasm before and after the nimodipine treatment using transcranial two-dimensional and color Doppler ultrasonography (TCCS). PATIENTS AND METHODS: A total of 77 patients with subarachnoid hemorrhage was collected; and the maximum peak systolic velocity (Vs), end diastolic velocity (Vd), time averaged maximum velocity (Vm), pulsatility index (PI) and resistance index (RI) of middle cerebral artery (MCA) were measured by spectral Doppler technique...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28649230/high-compliance-with-scheduled-nimodipine-is-associated-with-better-outcome-in-aneurysmal-subarachnoid-hemorrhage-patients-cotreated-with-heparin-infusion
#13
Aaron Wessell, Matthew J Kole, Neeraj Badjatia, Gunjan Parikh, Jennifer S Albrecht, David L Schreibman, J Marc Simard
INTRODUCTION: We sought to determine whether compliance with scheduled nimodipine in subarachnoid hemorrhage patients impacted patient outcomes, with the intent of guiding future nimodipine management in patients who experience nimodipine-induced hypotension. METHODS: We performed a retrospective analysis of 118 consecutive aneurysmal subarachnoid hemorrhage patients treated with the Maryland Low-Dose IV Heparin Infusion Protocol. Patients were categorized into three independent nimodipine compliance groups: ≥1 dose held, ≥1 dose split, and no missed or split-doses...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28582545/stereotactic-catheter-ventriculocisternostomy-for-clearance-of-subarachnoid-hemorrhage-in-patients-with-coiled-aneurysms
#14
Roland Roelz, Christian Scheiwe, Horst Urbach, Volker A Coenen, Peter Reinacher
BACKGROUND: Cerebral vasospasm leading to delayed cerebral infarction (DCI) is a central source of poor outcome in patients with aneurysmal subarachnoid hemorrhage (aSAH). Current treatments of cerebral vasospasm are insufficient. Cisternal blood clearance is a promising treatment option. However, a generally applicable, safe, and effective method to access the cisterns of the brain is lacking. OBJECTIVE: To report on stereotactic catheter ventriculocisternostomy (STX-VCS) as a method to access the cisterns of the brain for clearance of subarachnoid hemorrhage in patients with aSAH and coiled aneurysms...
June 3, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28467360/nimodipine-but-not-nifedipine-promotes-expression-of-fatty-acid-2-hydroxylase-in-a-surgical-stress-model-based-on-neuro2a-cells
#15
Eva Herzfeld, Lea Speh, Christian Strauss, Christian Scheller
Nimodipine is well characterized for the management of aneurysmal subarachnoid hemorrhage and has been shown to promote a better outcome and less delayed ischemic neurological deficits. Animal and clinical trials show neuroprotective efficacy following nerve injuries. We showed a neuroprotective effect on Neuro2a cells. Subsequent microarray analysis revealed-among others-fatty acid 2-hydroxylase (FA2H) upregulated by nimodipine in vitro, which is a component of myelin synthesis. Differentiated Neuro2a cells were analyzed for nimodipine-mediated survival considering stress treatment in comparison to nifedipine-treatment...
May 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28456915/reversible-cerebral-vasoconstriction-syndrome-recognition-and-treatment
#16
REVIEW
Cecilia Cappelen-Smith, Zeljka Calic, Dennis Cordato
Reversible cerebral vasoconstriction syndrome (RCVS) is a rare but increasingly recognized disorder with over 500 cases published in the literature. The condition is characterized by recurrent severe thunderclap headaches with or without other neurological symptoms and diffuse segmental narrowing of the cerebral arteries which is reversible within 3 months. RCVS may occur spontaneously but in over 50% of cases, it is associated with various other conditions, including vasoactive medications or illicit drugs and the post-partum state...
June 2017: Current Treatment Options in Neurology
https://www.readbyqxmd.com/read/28413883/comment-the-effects-of-14-versus-21-days-of-nimodipine-therapy-on-neurological-outcomes-in-aneurysmal-subarachnoid-hemorrhage-patients
#17
Megan Harbin, Ricky Turgeon
No abstract text is available yet for this article.
August 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28397570/is-intra-arterial-nimodipine-really-beneficial-in-vasospasm-following-aneurysmal-subarachnoid-hemorrhage
#18
COMMENT
Ashwani Kumar, Manoj Phalak
No abstract text is available yet for this article.
June 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28344178/systemic-and-cerebral-concentration-of-nimodipine-during-established-and-experimental-vasospasm-treatment
#19
Walid Albanna, Miriam Weiss, Catharina Conzen, Hans Clusmann, Toni Schneider, Martin Reinsch, Marguerite Müller, Martin Wiesmann, Anke Höllig, Gerrit Alexander Schubert
BACKGROUND: Oral nimodipine is an established prophylactic agent for cerebral vasospasm after subarachnoid hemorrhage (SAH). In highly selected cases, intra-arterial (IA) or intravenous (IV) application of nimodipine may be considered; however, the optimum dosage and modality of application remain a matter of debate. The purpose of this investigation is analysis of nimodipine concentration in serum, cerebrospinal fluid, and cerebral microdialysate in the context of currently effective dose and route of application (oral, IA, IV)...
June 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28224318/chemical-angioplasty-with-spasmolytics-for-vasospasm-after-subarachnoid-hemorrhage
#20
Aleš Hejčl, Filip Cihlář, Vojtěch Smolka, Petr Vachata, Robert Bartoš, Jan Procházka, Jiří Cihlář, Martin Sameš
BACKGROUND: Clinically symptomatic vasospasm leading to delayed ischemic neurological deficits occurs in up to 30% of patients with subarachnoid hemorrhage (SAH). Vasospasm can result in a serious decline in clinical conditions of patients with SAH, yet the algorithm for vasospasm treatment and prevention remains unclear. Intra-arterial administration of vasodilators is one of the modalities used for vasospasm therapy. METHODS: Over the last 7 years, we have treated 27 female and 7 male patients with vasospasm using intra-arterial administration of either nimodipine or milrinone; all had suffered aneurysm rupture...
April 2017: Acta Neurochirurgica
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